Warning: Permanently added '10.128.0.97' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 34.713496][ T4324] cgroup: Unknown subsys name 'net' [ 34.921849][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.181642][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.912782][ T4355] chnl_net:caif_netlink_parms(): no params data found [ 40.930972][ T4355] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.932201][ T4355] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.933715][ T4355] device bridge_slave_0 entered promiscuous mode [ 40.936090][ T4355] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.937185][ T4355] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.938613][ T4355] device bridge_slave_1 entered promiscuous mode [ 40.946513][ T4355] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.949258][ T4355] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.957746][ T4355] team0: Port device team_slave_0 added [ 40.959887][ T4355] team0: Port device team_slave_1 added [ 40.966296][ T4355] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.967444][ T4355] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.971377][ T4355] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.973897][ T4355] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.974816][ T4355] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.978289][ T4355] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.040473][ T4355] device hsr_slave_0 entered promiscuous mode [ 41.099571][ T4355] device hsr_slave_1 entered promiscuous mode [ 41.184662][ T4355] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.212569][ T4355] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.250469][ T4355] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.311213][ T4355] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.358706][ T4355] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.359882][ T4355] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.361158][ T4355] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.362178][ T4355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.380011][ T4355] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.384613][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.386899][ T1574] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.388496][ T1574] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.393125][ T4355] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.396389][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.397880][ T1574] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.399012][ T1574] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.405479][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.407026][ T1574] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.408375][ T1574] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.418534][ T4355] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.421067][ T4355] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.424887][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.426581][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.428015][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.430176][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.432635][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.434121][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.484151][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.485360][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.488916][ T4355] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.495964][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.502674][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.504363][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.505821][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.508034][ T4355] device veth0_vlan entered promiscuous mode [ 41.513065][ T4355] device veth1_vlan entered promiscuous mode [ 41.520338][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.521879][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.523482][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.525214][ T4355] device veth0_macvtap entered promiscuous mode [ 41.527435][ T4355] device veth1_macvtap entered promiscuous mode [ 41.534059][ T4355] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.535308][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.537227][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.540409][ T4355] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.541904][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.544505][ T4355] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.545785][ T4355] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.546965][ T4355] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.548178][ T4355] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.121962][ T229] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.272315][ T4396] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.273967][ T4396] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.275126][ T4396] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.276476][ T4396] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.277712][ T4396] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.278944][ T4396] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.561738][ T1574] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.563014][ T1574] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.564835][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.572574][ T1574] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.573739][ T1574] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.575378][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:42 executed programs: 0 [ 42.923084][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.924595][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.925801][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.927304][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.928692][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.930263][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.974734][ T4421] chnl_net:caif_netlink_parms(): no params data found [ 42.990738][ T4421] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.991895][ T4421] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.993336][ T4421] device bridge_slave_0 entered promiscuous mode [ 42.995217][ T4421] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.996286][ T4421] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.997696][ T4421] device bridge_slave_1 entered promiscuous mode [ 43.005839][ T4421] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.008511][ T4421] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.015815][ T4421] team0: Port device team_slave_0 added [ 43.018043][ T4421] team0: Port device team_slave_1 added [ 43.025055][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.026196][ T4421] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 43.030222][ T4421] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.032307][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.033383][ T4421] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 43.037447][ T4421] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.100502][ T4421] device hsr_slave_0 entered promiscuous mode [ 43.139564][ T4421] device hsr_slave_1 entered promiscuous mode [ 43.189395][ T4421] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 43.190554][ T4421] Cannot create hsr debugfs directory [ 44.969810][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.990704][ T229] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.049387][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 47.360968][ T229] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.461951][ T229] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 48.422617][ T4421] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.510927][ T4421] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.593273][ T4421] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.640578][ T4421] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.775309][ T4421] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.779694][ T4421] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.781389][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.782757][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.785278][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.786833][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.788312][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.789502][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.855145][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.857315][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.858787][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.860482][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.861636][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.864215][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.866818][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.870910][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.872629][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.874126][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.876661][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.878558][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.882182][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.883739][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.887145][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.888663][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.892037][ T4421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.966802][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.968130][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.971281][ T4421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.976220][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.977732][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.984092][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.985545][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.987068][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.988451][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.035150][ T4421] device veth0_vlan entered promiscuous mode [ 49.038524][ T4421] device veth1_vlan entered promiscuous mode [ 49.044509][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.046052][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.047993][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.049561][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.052624][ T4421] device veth0_macvtap entered promiscuous mode [ 49.054830][ T4421] device veth1_macvtap entered promiscuous mode [ 49.058998][ T4421] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 49.060885][ T4421] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 49.062881][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.064000][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.065490][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.066882][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.068399][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.071609][ T4421] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 49.073187][ T4421] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 49.075210][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.076451][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.077960][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.082897][ T229] device hsr_slave_0 left promiscuous mode [ 49.129958][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 49.131251][ T229] device hsr_slave_1 left promiscuous mode [ 49.219533][ T229] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 49.220720][ T229] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 49.222305][ T229] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 49.223412][ T229] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 49.224759][ T229] device bridge_slave_1 left promiscuous mode [ 49.226200][ T229] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.270184][ T229] device bridge_slave_0 left promiscuous mode [ 49.271254][ T229] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.389667][ T229] device veth1_macvtap left promiscuous mode [ 49.390717][ T229] device veth0_macvtap left promiscuous mode [ 49.391654][ T229] device veth1_vlan left promiscuous mode [ 49.392566][ T229] device veth0_vlan left promiscuous mode [ 51.200452][ T229] team0 (unregistering): Port device team_slave_1 removed [ 51.209374][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 51.360330][ T229] team0 (unregistering): Port device team_slave_0 removed [ 51.509831][ T229] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 51.710614][ T229] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 54.270256][ T229] bond0 (unregistering): Released all slaves [ 54.534666][ T4421] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.535974][ T4421] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.537190][ T4421] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.538345][ T4421] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.565268][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.566433][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.574812][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 54.577185][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 54.578365][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 54.581037][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.618076][ T4396] BUG: sleeping function called from invalid context at net/core/sock.c:3498 [ 54.619566][ T4396] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4396, name: kworker/u5:2 [ 54.620905][ T4396] preempt_count: 1, expected: 0 [ 54.621637][ T4396] RCU nest depth: 0, expected: 0 [ 54.622354][ T4396] 6 locks held by kworker/u5:2/4396: [ 54.623114][ T4396] #0: ffff0000ca712938 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 [ 54.624585][ T4396] #1: ffff800020c57c20 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 [ 54.626252][ T4396] #2: ffff0000da624078 (&hdev->lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0x98/0x90c [ 54.627766][ T4396] #3: ffff8000178102a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0x3f8/0x90c [ 54.629421][ T4396] #4: ffff0000ca35fe20 (&conn->lock#2){+.+.}-{2:2}, at: sco_connect_cfm+0x25c/0x8fc [ 54.630821][ T4396] #5: ffff0000da00a130 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x3cc/0x8fc [ 54.632377][ T4396] Preemption disabled at: [ 54.632393][ T4396] [] sco_connect_cfm+0x25c/0x8fc [ 54.633888][ T4396] CPU: 1 PID: 4396 Comm: kworker/u5:2 Not tainted syzkaller #0 [ 54.634941][ T4396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.636446][ T4396] Workqueue: hci0 hci_rx_work [ 54.637133][ T4396] Call trace: [ 54.637628][ T4396] dump_backtrace+0x1c8/0x1f4 [ 54.638333][ T4396] show_stack+0x2c/0x3c [ 54.638895][ T4396] __dump_stack+0x30/0x40 [ 54.639532][ T4396] dump_stack_lvl+0xf8/0x160 [ 54.640234][ T4396] dump_stack+0x1c/0x5c [ 54.640835][ T4396] __might_resched+0x350/0x4cc [ 54.641549][ T4396] __might_sleep+0x94/0x110 [ 54.642170][ T4396] lock_sock_nested+0x80/0x130 [ 54.642894][ T4396] sco_connect_cfm+0x3cc/0x8fc [ 54.643604][ T4396] hci_sync_conn_complete_evt+0x460/0x90c [ 54.644483][ T4396] hci_event_packet+0x6f4/0xf08 [ 54.645182][ T4396] hci_rx_work+0x324/0xaa0 [ 54.645849][ T4396] process_one_work+0x7f4/0x13a8 [ 54.646626][ T4396] worker_thread+0x8c8/0xfbc [ 54.647293][ T4396] kthread+0x250/0x2d8 [ 54.647897][ T4396] ret_from_fork+0x10/0x20 [ 54.648585][ T4396] ================================================================== [ 54.649778][ T4396] BUG: KASAN: use-after-free in __lock_acquire+0xf0/0x6544 [ 54.650780][ T4396] Read of size 8 at addr ffff0000da00a0b0 by task kworker/u5:2/4396 [ 54.652015][ T4396] [ 54.652347][ T4396] CPU: 1 PID: 4396 Comm: kworker/u5:2 Tainted: G W syzkaller #0 [ 54.653682][ T4396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.655173][ T4396] Workqueue: hci0 hci_rx_work [ 54.655859][ T4396] Call trace: [ 54.656372][ T4396] dump_backtrace+0x1c8/0x1f4 [ 54.657056][ T4396] show_stack+0x2c/0x3c [ 54.657753][ T4396] __dump_stack+0x30/0x40 [ 54.658439][ T4396] dump_stack_lvl+0xf8/0x160 [ 54.659146][ T4396] print_address_description+0x88/0x218 [ 54.659947][ T4396] print_report+0x50/0x68 [ 54.660590][ T4396] kasan_report+0xa8/0x100 [ 54.661248][ T4396] __asan_report_load8_noabort+0x2c/0x38 [ 54.662059][ T4396] __lock_acquire+0xf0/0x6544 [ 54.662824][ T4396] lock_acquire+0x20c/0x644 [ 54.663498][ T4396] _raw_spin_lock_bh+0x54/0x6c [ 54.664185][ T4396] lock_sock_nested+0x88/0x130 [ 54.664897][ T4396] sco_connect_cfm+0x3cc/0x8fc [ 54.665595][ T4396] hci_sync_conn_complete_evt+0x460/0x90c [ 54.666448][ T4396] hci_event_packet+0x6f4/0xf08 [ 54.667131][ T4396] hci_rx_work+0x324/0xaa0 [ 54.667789][ T4396] process_one_work+0x7f4/0x13a8 [ 54.668496][ T4396] worker_thread+0x8c8/0xfbc [ 54.669173][ T4396] kthread+0x250/0x2d8 [ 54.669792][ T4396] ret_from_fork+0x10/0x20 [ 54.670454][ T4396] [ 54.670782][ T4396] Allocated by task 4497: [ 54.671437][ T4396] kasan_set_track+0x4c/0x80 [ 54.672106][ T4396] kasan_save_alloc_info+0x28/0x34 [ 54.672863][ T4396] __kasan_kmalloc+0xa0/0xb8 [ 54.673545][ T4396] __kmalloc+0xec/0x178 [ 54.674128][ T4396] sk_prot_alloc+0xc4/0x1f0 [ 54.674847][ T4396] sk_alloc+0x44/0x390 [ 54.675441][ T4396] bt_sock_alloc+0x4c/0x140 [ 54.676040][ T4396] sco_sock_create+0xbc/0x338 [ 54.676730][ T4396] bt_sock_create+0x14c/0x24c [ 54.677397][ T4396] __sock_create+0x4b0/0x8b4 [ 54.678010][ T4396] __sys_socket+0xc0/0x1ac [ 54.678666][ T4396] __arm64_sys_socket+0x7c/0x94 [ 54.679439][ T4396] invoke_syscall+0x98/0x2bc [ 54.680152][ T4396] el0_svc_common+0x138/0x258 [ 54.680825][ T4396] do_el0_svc+0x58/0x13c [ 54.681410][ T4396] el0_svc+0x58/0x138 [ 54.682027][ T4396] el0t_64_sync_handler+0x84/0xf0 [ 54.682729][ T4396] el0t_64_sync+0x18c/0x190 [ 54.683403][ T4396] [ 54.683722][ T4396] Freed by task 4497: [ 54.684309][ T4396] kasan_set_track+0x4c/0x80 [ 54.684983][ T4396] kasan_save_free_info+0x3c/0x60 [ 54.685692][ T4396] ____kasan_slab_free+0x148/0x1b0 [ 54.686414][ T4396] __kasan_slab_free+0x18/0x28 [ 54.687179][ T4396] slab_free_freelist_hook+0x16c/0x1ec [ 54.688019][ T4396] __kmem_cache_free+0xc0/0x224 [ 54.688730][ T4396] kfree+0xd0/0x1ac [ 54.689281][ T4396] __sk_destruct+0x4dc/0x780 [ 54.689995][ T4396] __sk_free+0x320/0x430 [ 54.690624][ T4396] sk_free+0x60/0xc8 [ 54.691201][ T4396] sco_sock_kill+0x170/0x22c [ 54.691861][ T4396] sco_sock_release+0x1f8/0x2c4 [ 54.692567][ T4396] sock_close+0xb4/0x1f8 [ 54.693224][ T4396] __fput+0x1bc/0x7c0 [ 54.693822][ T4396] ____fput+0x20/0x30 [ 54.694462][ T4396] task_work_run+0x1ec/0x270 [ 54.695090][ T4396] do_notify_resume+0x2038/0x2b28 [ 54.695820][ T4396] el0_svc+0x98/0x138 [ 54.696393][ T4396] el0t_64_sync_handler+0x84/0xf0 [ 54.697124][ T4396] el0t_64_sync+0x18c/0x190 [ 54.697754][ T4396] [ 54.698145][ T4396] The buggy address belongs to the object at ffff0000da00a000 [ 54.698145][ T4396] which belongs to the cache kmalloc-2k of size 2048 [ 54.700281][ T4396] The buggy address is located 176 bytes inside of [ 54.700281][ T4396] 2048-byte region [ffff0000da00a000, ffff0000da00a800) [ 54.702185][ T4396] [ 54.702546][ T4396] The buggy address belongs to the physical page: [ 54.703514][ T4396] page:0000000087b6f740 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a008 [ 54.705064][ T4396] head:0000000087b6f740 order:3 compound_mapcount:0 compound_pincount:0 [ 54.706289][ T4396] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 54.707536][ T4396] raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002900 [ 54.708783][ T4396] raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000 [ 54.710108][ T4396] page dumped because: kasan: bad access detected [ 54.711032][ T4396] [ 54.711380][ T4396] Memory state around the buggy address: [ 54.712290][ T4396] ffff0000da009f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 54.713546][ T4396] ffff0000da00a000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 54.714865][ T4396] >ffff0000da00a080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 54.716060][ T4396] ^ [ 54.716976][ T4396] ffff0000da00a100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 54.718223][ T4396] ffff0000da00a180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 54.719518][ T4396] ================================================================== [ 54.720788][ T4396] Disabling lock debugging due to kernel taint [ 54.721903][ T4396] Unable to handle kernel paging request at virtual address dfff800000000000 [ 54.723210][ T4396] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 54.724410][ T4396] Mem abort info: [ 54.724973][ T4396] ESR = 0x0000000096000006 [ 54.725645][ T4396] EC = 0x25: DABT (current EL), IL = 32 bits [ 54.726591][ T4396] SET = 0, FnV = 0 [ 54.727139][ T4396] EA = 0, S1PTW = 0 [ 54.727750][ T4396] FSC = 0x06: level 2 translation fault [ 54.728587][ T4396] Data abort info: [ 54.729136][ T4396] ISV = 0, ISS = 0x00000006 [ 54.729899][ T4396] CM = 0, WnR = 0 [ 54.730483][ T4396] [dfff800000000000] address between user and kernel address ranges [ 54.731679][ T4396] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 54.732733][ T4396] Modules linked in: [ 54.733289][ T4396] CPU: 1 PID: 4396 Comm: kworker/u5:2 Tainted: G B W syzkaller #0 [ 54.734522][ T4396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.735903][ T4396] Workqueue: hci0 hci_rx_work [ 54.736585][ T4396] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.737733][ T4396] pc : apparmor_sk_clone_security+0xec/0x398 [ 54.738604][ T4396] lr : apparmor_sk_clone_security+0xcc/0x398 [ 54.739433][ T4396] sp : ffff800020c57780 [ 54.740083][ T4396] x29: ffff800020c57780 x28: 1fffe0001946bfc9 x27: 1ffff0000418af04 [ 54.741298][ T4396] x26: dfff800000000000 x25: 0000000000000005 x24: 1fffe000188a0ac0 [ 54.742514][ T4396] x23: dfff800000000000 x22: dfff800000000000 x21: 0000000000000000 [ 54.743687][ T4396] x20: 0000000000000000 x19: ffff0000c4505600 x18: 0000000000000000 [ 54.744851][ T4396] x17: ffff800008207378 x16: ffff8000082e9ca4 x15: ffff800010af18a4 [ 54.745993][ T4396] x14: ffff800010b0ea28 x13: ffff80000802a690 x12: 0000000000ff0100 [ 54.747211][ T4396] x11: ff0080000a513bb8 x10: 0000000000000000 x9 : ffff80000a513bb8 [ 54.748380][ T4396] x8 : 0000000000000000 x7 : ffffffffffffffff x6 : ffff800010adee18 [ 54.749665][ T4396] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000a513b34 [ 54.750868][ T4396] x2 : 0000000000000000 x1 : 0000000000000008 x0 : 0000000000000000 [ 54.752086][ T4396] Call trace: [ 54.752613][ T4396] apparmor_sk_clone_security+0xec/0x398 [ 54.753473][ T4396] security_sk_clone+0x58/0x9c [ 54.754163][ T4396] sco_connect_cfm+0x564/0x8fc [ 54.754891][ T4396] hci_sync_conn_complete_evt+0x460/0x90c [ 54.755840][ T4396] hci_event_packet+0x6f4/0xf08 [ 54.756520][ T4396] hci_rx_work+0x324/0xaa0 [ 54.757187][ T4396] process_one_work+0x7f4/0x13a8 [ 54.757902][ T4396] worker_thread+0x8c8/0xfbc [ 54.758581][ T4396] kthread+0x250/0x2d8 [ 54.759204][ T4396] ret_from_fork+0x10/0x20 [ 54.759910][ T4396] Code: 710006df 5400104b 977e3d4c d343fe88 (38776908) [ 54.760887][ T4396] ---[ end trace 0000000000000000 ]--- [ 54.952701][ T4396] Kernel panic - not syncing: Oops: Fatal exception [ 54.953609][ T4396] SMP: stopping secondary CPUs [ 54.954239][ T4396] Kernel Offset: disabled [ 54.954841][ T4396] CPU features: 0x080000,000f0097,a65bfea7 [ 54.955590][ T4396] Memory Limit: none [ 55.142304][ T4396] Rebooting in 86400 seconds..